When parent is not assigned, reset it and all vlans without mtu set to default
When parent is not assigned, reset it and all vlans without mtu set to default

NewEraCracker/pfsense,BlackstarGroup/pfsense,ch1c4um/pfsense,phil-davis/pfsense,pfsense/pfsense,ptorsten/pfsense,NOYB/pfsense,ptorsten/pfsense,BlackstarGroup/pfsense,pfsense/pfsense,jxmx/pfsense,dennypage/pfsense,ch1c4um/pfsense,phil-davis/pfsense,jxmx/pfsense,BlackstarGroup/pfsense,brunostein/pfsense,NewEraCracker/pfsense,NOYB/pfsense,ch1c4um/pfsense,NewEraCracker/pfsense,dennypage/pfsense,brunostein/pfsense,NOYB/pfsense,ch1c4um/pfsense,phil-davis/pfsense,ptorsten/pfsense,NewEraCracker/pfsense,jxmx/pfsense,pfsense/pfsense,brunostein/pfsense,phil-davis/pfsense,BlackstarGroup/pfsense,dennypage/pfsense,pfsense/pfsense,dennypage/pfsense